Base64 Decoder & Encoder
Decode and encode Base64 strings online. Free, fast, and privacy-friendly — all processing in your browser.
Frequently Asked Questions
What is Base64?
Base64 is an encoding scheme that represents binary data in an ASCII string format. It is commonly used for encoding data in URLs, email attachments, and data URIs.
Is my data safe?
Yes. All encoding and decoding happens entirely in your browser. No data is sent to any server.
Can I encode files?
Yes, you can paste file contents or drag-and-drop small files for encoding.